Method

RBShellPlayerset_volume_relative

Declaration [src]

gboolean
rb_shell_player_set_volume_relative (
  RBShellPlayer* player,
  gdouble delta,
  GError** error
)

Description [src]

Adds the specified value to the current volume level.

Parameters

delta

Type: gdouble

Difference to apply to the volume level (between -1 and 1).

error

Type: GError **

The return location for a recoverable error.

The argument can be NULL.

If the return location is not NULL, then you must initialize it to a NULL GError*.

The argument will be left initialized to NULL by the method if there are no errors.

In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.

Return value

Type: gboolean

TRUE on success.